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5elX@_{_ of Limt
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A
Setting Close Limit Switch (Figure 34):
•
Check that Magnetic
Carriage Assembly is disengaged.
•
With garage door fully closed, slide Close Limit Switch
until it is aligned with Carriage Assembly Magnet.
•
Tighten Set Screw. Do Not over-tighten.
B
Setting Open Limit Switch:
•
Manually open garage door to full open position.
•
Slide Open Limit Switch until it is aligned with Carriage
Assembly Magnet.
•
Tighten Set Screw. Do not over-tighten.
.
Re-engage Magnetic
Carriage Assembly.
WARNING
•
The garage door opens rapidly, and can cause serious
injury or death.
•
Keep the path clear.
•
Position the ladder to the side of the Power Head so it is
clear of all moving parts of the Opener and the door.
•
Set the door Opener to use the minimum force needed
to open the door.
A
Pre-set Force Controls to midpoint
between fully counter
clockwise and fully clockwise
(Figure 35).
B
Adjust the Close Limit Switch:
*
Press Wall Console to close garage door.
-
If door does not close completely,
measure distance
from bottom
of door to floor. Move Limit Switch
same amount
toward door and try again.
-
If door reverses after contacting
floor, move Limit
Switch toward Power Head and try again.
-
If door reverses before contacting
floor, increase
Close force and try again.
-
If door fails to move, check Safe-T-Beam ® System. See
Safe-T-Beam ® Troubleshooting
Guide on pg. 26, and
Opener System Self-diagnostic
Troubleshooting
on pg. 27.
.
Tighten Limit Switch Set Screw. Do not over-tighten
{strip)
Limit Switch Set Screw.
C
Adjust Open Limit Switch:
.
Press Wall Console to open garage door.
-
If door does not open completely,
move Limit Switch
toward Power Head.
-
If door opens completely,
but motor continues
to
run, move Limit Switch toward door.
.
Tighten Limit Switch Set Screw. Do not over-tighten
{strip)
Limit Switch Set Screw.
NOTE
o
Little effort is required to turn the Force
Adjusting Knobs.
•
If the door stops moving while opening or
closing, adjust the Open Force or Close Force
Controls slightly clockwise (to slightly
increase the force) and retry the step.
•
The Open Force and Close Force Controls are to
be set to the minimum force necessary to
ensure the door smoothly opens fully and
closes completely.
•
The garage door will move slowly the first
time it runs, until the Opener"learns"the
type of door.
•
Ensure the Magnetic Carriage Assembly is
engaged and is between the two Limit
Switches before operating the Opener.
Close Limit Switch
(door fully closed)
Carriage
_'_
Switch
(disengaged)
I%
_
Magnet
Open Limit Switch
Switch
(door fully open)/
Carriage
(disengaged)
IC \\
"\
....J
_
" Magnet
Figure 34 Setting Limit Switches
Force Controls
HI
LO
OPEN
CLOSE
X.._
FORCE
FORCE
Figure 35 Making Force Adjustments
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